فهرست نشریات علمی دسترسی آزاد ایران

Background: Severe tilt with embedded hook is a common obstacle to successful retrieval of the retrievable inferior vena cava (IVC) filter. One reason leading to retrieval failure is the guide wire and catheter that could not be guided between the IVC wall and filter neck. Objectives: The aim of this study is to investigate the feasibility of a modified wire-loop technique for retrieval of inferior vena cava filters with severe tilt and embedded hooks. Results: Four conical filters were retrieved by snaring the hook directly. The filter hook of drum-type filter was stretched away from the cava wall in two cases, and then, the conventional snare technique was performed successfully. The long sheath was advanced over the wire-loop to retrieve the filter directly in one case. Conclusion: The modified wire-loop snare technique is simple and effective and can be used to retrieve both conical and drum-type filters with severe tilt and embedded hooks.